﻿// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;

using SharpDX.Toolkit.Diagnostics;
using SharpDX.Toolkit.Graphics;

namespace SharpDX.Toolkit
{
    /// <summary>
    /// Describes an event when an effect is recompiled at runtime.
    /// </summary>
    public class EffectCompilerEventArgs : EventArgs
    {
        private static readonly List<LogMessage> EmptyLogMessages = new List<LogMessage>();

        /// <summary>
        /// Initializes a new instance of the <see cref="EffectCompilerEventArgs" /> class.
        /// </summary>
        /// <param name="effect">The effect.</param>
        /// <param name="messages">The log messages.</param>
        public EffectCompilerEventArgs(Effect effect, IList<LogMessage> messages = null)
        {
            Effect = effect;
            Messages = new ReadOnlyCollection<LogMessage>(messages ?? EmptyLogMessages);
        }

        /// <summary>
        /// Gets the effect.
        /// </summary>
        /// <value>The effect.</value>
        public Effect Effect { get; private set; }

        /// <summary>
        /// Gets compilation messages. See remarks.
        /// </summary>
        /// <value>The compilation messages.</value>
        /// <remarks>
        /// This field is only valid 
        /// </remarks>
        public ReadOnlyCollection<LogMessage> Messages { get; private set; }
    }
}